A042671 Denominators of continued fraction convergents to sqrt(865).

1, 2, 5, 17, 56, 73, 129, 202, 533, 3400, 20933, 45266, 66199, 111465, 177664, 644457, 2111035, 4866527, 11844089, 691823689, 1395491467, 3482806623, 11843911336, 39014540631, 50858451967, 89872992598, 140731444565, 371335881728, 2368746734933

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 696690216, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[865], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

Crossrefs

Cf. A040835, A042670.

Sequence in context: A149986 A121193 A159866 * A180148 A378571 A241133

Adjacent sequences: A042668 A042669 A042670 * A042672 A042673 A042674

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 26 2014

Status

approved